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    • 2. 发明授权
    • Flow-through air-cooled loudspeaker system
    • 流通风冷扬声器系统
    • US5357586A
    • 1994-10-18
    • US700691
    • 1991-05-16
    • David D. NordschowTerry D. TaylorRobert O. Wright
    • David D. NordschowTerry D. TaylorRobert O. Wright
    • H04R9/02H04R25/00
    • H04R9/022H04R9/025
    • The loudspeaker and enclosure are provided with aerodynamically-shaped passages providing low-pressure regions for inducing flows of air into and about the driver motor of the loudspeaker in response to vibratory movement of the speaker cone. An aerodynamically-shaped body is disposed within the pole piece to define a venturi passage for exchange of air between an interior chamber defined by a coil former and the back of the speaker. Aerodynamically-shaped openings are provided through the pole piece for inducing flow of air about the voice coil in the voice coil gap between the pole piece and permanent magnet. The speaker frame support is provided with aerodynamically-shaped openings to induce air flow into the interior chamber. In this manner, low-pressure regions established by the aerodynamic shapes induce flow of cooling air about the voice coil and pole piece in response to vibratory movement of the cone. Aerodynamic shapes are disposed in the intake and exhaust vents of the speaker enclosure to exchange air between the enclosure and atmosphere in response to vibratory movement of the speaker.
    • 扬声器和外壳设置有空气动力学形状的通道,其提供低压区域,用于响应于扬声器锥体的振动运动而引入空气进入扬声器的驱动器电动机和其周围。 空气动力学形体设置在极靴内,以限定文丘里管通道,用于在由线圈架和室内限定的内部空间之间交换空气。 通过极片提供空气动力学形状的开口,用于在极靴和永磁体之间的音圈间隙中引起围绕音圈的空气流。 扬声器框架支撑件设置有空气动力学形状的开口,以引导空气流入室内。 以这种方式,通过空气动力学形状建立的低压区域响应于锥体的振动运动而引起围绕音圈和极片的冷却空气的流动。 空气动力学形状设置在扬声器外壳的进气和排气口中,以响应于扬声器的振动运动而在外壳和大气之间交换空气。